OFFSET
1,1
MATHEMATICA
cf27Q[n_]:=Module[{s=Sqrt[n]}, If[IntegerQ[s], 1, Length[ ContinuedFraction[ s][[2]]]] == 27]; Select[Range[11000], cf27Q] (* Harvey P. Dale, Jan 21 2019 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved